package main

import (
	"fmt"
	"time"
)

func add(num1 int, num2 int) {
	result := num1 + num2
	fmt.Println(result)
}
func sub(num1 int, num2 int) int {
	return num2 - num1
}
func main() {
	go func() {
		go add(1, 2)
	}()
	time.Sleep(time.Second)
}
